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155 Mbit/s and 622 Mbit/s ATM adapterThere are two line speed versions of the ForeRunnerHE ATM adapters - the
ForeRunnerHE155and the ForeRunnerHE622.
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Utilizing 33/66 MHz PCI bus speeds and 64 bit data transfer
options, ForeRunnerHE adapters ensure maximum performance allowed by
standards. With silicon support for the ATM Forum ABR specification and
up to 4,000 active virtual circuits (with any mix of CBR, VBR, UBR,
and ABR) ForeRunnerHE adapters provide industry-leading functionality.
Delivering 155 Mbps and 622 Mbps of full duplex bandwidth to
connect servers directly to ATM backbones, the PCI-based ForeRunnerHE
adapters are perfectly designed to manage the bandwidth demands of data,
while still ensuring the quality of service (QoS) needed for voice
and video.
Servers with dual PCI buses can use multiple ForeRunnerHE 622 adapters
on a single IP interface for 1.2 Gigabits of available bandwidth.
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ForeRunner™ HE 155 and 622 Technical Specifications
Hardware: |
ATM Support: |
Marconi's NetPro ASIC supports UBR, CBR, VBR and ABR;
OC-3c (155 Mbps) and OC-12c (622.08 Mbps) full duplex capabilities |
Environmental: |
Operating Temperature: |
5° to 40° C, up to 10,000 ft |
Operating Humidity: |
20 to 80% RH, non-condensing |
Storage Temperature: |
-40° to +70° C, up to 30,000 ft |
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DMA Support: |
Maximum Burst Size:
384 bytes, (HE 155/HE 622 write);
1,536 bytes, (HE 622 read);
768 bytes, (HE 155 read) |
PCI Bus: |
Designed to Universal Peripheral Component Interconnect (PCI) 2.1/2.2
specification;
PC or Server PCI 2.1, 33/66 MHz (66 MHz only on ForeRunnerHE
622), 32-bit addressing;
32- or 64-bit data
3.3 V or 5 V;
Universal PCI short form factor;
Cache-line aware design for efficient bus utilization |
Power Requirements: |
Electrical:
15 watts @ 5 volts;
Optical:
Transmit Power: -14 to -20 dBm; (HE 155/HE 622)
Receiver Sensitivity:
-14 to -30 dBm (HE 155)
-14 to -26 dBm (HE 622) |
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Host Interface: |
Full bus mastering, dynamic burst sizing, multiple programmable interrupts,
receive queue prioritization, TCP checksum calculation |
Memory: |
2 Mbytes of synchronous DRAM for buffering, support for 4,000 VCs |
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Platform Support: |
Intel Pentium and PentiumPRO and Pentium II;
Sun Microsystems SPARC;
SGI Origin/Onyx 2;
DEC Alpha (WindowsNT only) |
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Connectors/Cabling: |
Multimode Fiber: |
Duplex 62.5 µ/125 µ
2,000 meters maximum, 10 dB loss;
SC connector; |
UTP: |
2-pair, 100-ohm Category 5 or Category 5 screened UTP cable;
100 meters maximum;
RJ-45 connector |
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Emissions/Electrical Compliance: |
Safety: |
UL1950/CSA 950, EN60950, EN60825, IEC 825.1, IEC825.2 |
EMI: |
FCC Part 15, Class A, EN55022 Class A, VCCI Class 1, TS016 |
EMC: |
EN50082-1, EN50022 |
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Software: |
ATM Support: |
ForeThought Software including MPOA, LANE 1.0, and CLIP (RFC1577);
AAL5, AAL0 and AAL1 support (via AAL0); UNI 3.0/3.1 |
Value-added Software: |
Marconi's load-balancing/failover software supports multiple IP interfaces
in a single system;
Lapp QoS for legacy application service guarantees |
Industry-standard APIs: |
XTI and Winsock2 for native ATM programming |
web page used to be available at: http://www.marconi.com/html/solutions/forerunnerhe155and622atmnics.htm
PDF documentation used to be available at: http://www.marconi.com/media/forerunnerhe_ds.pdf
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